/**
 * Copyright 2011 FeedDreamwork SIG
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.feeddreamwork.processors;

import java.io.*;

import org.feeddreamwork.*;
import org.feeddreamwork.feed.*;
import org.feeddreamwork.fetcher.*;

public class FetchFeedProcessor implements FeedProcessor {
	private String url;

	public FetchFeedProcessor(String url) {
		Utils.throwIfNullOrEmpty(url);
		this.url = url;
	}

	@Override
	public void process(FeedContext context) throws FeedProcessException {
		Utils.throwIfNull(context);

		try {
			HttpFetcher fetcher = new HttpFetcher(url);
			Feed result = FeedParsers.parse(fetcher.getContent(), url);
			context.setFeed(result);
		} catch (IOException e) {
			throw new FeedProcessException();
		} catch (FeedParsingException e) {
			throw new FeedProcessException();
		}
	}
}
